Stephen Post, PhD, is a professor of bioethics at Case Western Reserve University's School of Medicine. He is president of the Institute for Research on Unlimited Love, and his work has appeared in top journals such as "JAMA," "Science," and "The Lancet," Jill Neimark is a journalist, novelist, and former features editor for "Psychology Today" whose work has appeared in "The New York Times,"" The" "Economist," and "Discover,"